S embassies in Havana, Cuba and other countries were quote consistent with a directed radio frequency energy attack.

That's according to a government commissioned report by the National Academies of Sciences, Engineering and Medicine released on Saturday, which marks the first time Washington has officially offered an explanation for what's come to be known as Havana syndrome.

Though it's still inconclusive.

We continue to try and determine precisely the causation of this, Secretary of State Mike Pompeo said in October.

That significant U.

S government resource is had been dedicated to solving the mystery in which more than 40 U.

S government employees were affected between 2016 and into 2018.

Diplomats in some postings in Cuba and other countries were plagued with nausea, headaches, dizziness and other unexplained symptoms.

Havana syndrome has long been the subject of intense speculation, given the nature of the symptoms, the location of the postings and the silence of the U.

S.

Government.

The State Department said in June 2018 that it brought home diplomats who were stationed in China over concerned they were suffering similar symptoms.

Saturday's report did not point a finger at who might be behind the mysterious symptoms.

But its cited quote significant research in Russia on pulsed radio frequency technology and that military personnel exposed to microwave radiation in your Asian communist countries were said to have experienced the same symptoms suffered by the U.

S diplomats.